Low dose rate proton irradiation of quartz crystal resonators

Quartz crystal resonators were systematically irradiated with 65 MeV protons to characterize low dose rate radiation-induced degradation. Results indicate: (1) test samples that exhibit large frequency shifts during testing tend to show large frequency shifts prior to irradiation, or during off-irra...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1996-12, Vol.43 (6), p.3174-3181
Main Authors: Koga, R., Looper, M.D., Pinkerton, S.D., Stapor, W.J., McDonald, P.T.
Format: Article
Language:English
Subjects:
Belts
Clocks
Crystals
Degradation
Electronic equipment testing
Extraterrestrial measurements
Frequency measurement
Oscillators
Protons
System testing
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Summary:Quartz crystal resonators were systematically irradiated with 65 MeV protons to characterize low dose rate radiation-induced degradation. Results indicate: (1) test samples that exhibit large frequency shifts during testing tend to show large frequency shifts prior to irradiation, or during off-irradiation periods; (2) for radiation-sensitive samples, short-term effects seem to decrease after each irradiation on/off cycle (moreover, those devices in which radiation effects do not decrease after a few cycles are not very sensitive); (3) the fabrication process may be an important determinant of susceptibility to low dose radiation-induced degradation; and (4) total-dose effects may be sublinear.
ISSN:0018-9499
1558-1578
DOI:10.1109/23.556922